YouTube: We continue our look at philosophical reasoning by introducing two more types: induction and abduction. Hank explains their strengths and weaknesses, as well as counterarguments and the Socratic... continue reading

posted by PlayhousePals 8 years 2 months ago • 325 views • 10:18

"Exercising stimulates bone remodeling and ultimately bone strength." uhoh YouTube: Today Hank explains the skeletal system and why astronauts Scott Kelly and Mikhail Kornienko are out in space studying... continue reading

posted by PlayhousePals 8 years 11 months 1 week ago • 31 views • 10:38

YouTube: Hank tries not to stress you out too much as he delves into the functions and terminology of your sympathetic nervous system.

posted by PlayhousePals 9 years 1 week ago • 98 views • 10:44

"We named the whole shebang after the sun." YouTube: In today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of... continue reading

posted by PlayhousePals 9 years 1 month 2 weeks ago • 110 views • 10:17

Protects Your Body 1:25 Senses the Outside World 1:42 Helps Excrete Waste 2:17 Stores Blood 2:43 Regulates Temperature 2:59 Makes Vitamin D 5:18 Indicates Signs of Poor Health 3:55 How Your Hair... continue reading

posted by RedSky 9 years 2 months ago • 11 views • 9:57

YT: In which John Green teaches you about nation building and nationalism in Latin America. Sometimes, the nations of Latin America get compared to the nations of Europe, and are found wanting. This is... continue reading

posted by RedSky 9 years 2 months 1 week ago • 207 views • 12:14

YouTube: Finally, after what seems like eons and eons, the end is nigh. We're talking not only about the end of Crash Course Big History, but also the end of everything. The end of humanity and the end... continue reading

posted by PlayhousePals 9 years 3 months 2 weeks ago • 71 views • 13:31

YouTube: In this episode of Crash Course Psychology, Hank tackles some difficult topics dealing with prejudice, stereotyping, and discrimination.

posted by PlayhousePals 9 years 5 months 1 week ago • 592 views • 9:54

YouTube: Why do people sometimes do bad things just because someone else told them to? And what does the term Groupthink mean? In today's episode of Crash Course Psychology, Hank talks about the ideas... continue reading

posted by PlayhousePals 9 years 5 months 2 weeks ago • 167 views • 10:08

YouTube: What exactly are Personality Disorders? How can they be diagnosed? Can we prevent some of them? In this episode of Crash Course Psychology, Hank gives us the down low on things like Ego-Dystonic... continue reading

posted by PlayhousePals 9 years 6 months 1 week ago • 325 views • 10:58

YouTube: In this episode of Crash Course Psychology, Hank walks us through the troubling world of Eating and Body Dysmorphic disorders. There's a lot going on here and, even though we still have a lot... continue reading

posted by PlayhousePals 9 years 6 months 2 weeks ago • 123 views • 10:12

Split mind.

posted by PlayhousePals 9 years 6 months 4 weeks ago • 179 views • 11:44

YouTube: So, what do Batman and J.R.R. Tolkien have in common? Post Traumatic Stress Disorder. It used to be called "Shellshock" and it can be really really really destructive. In this episode of Crash... continue reading

posted by PlayhousePals 9 years 7 months ago • 269 views • 10:51

"Genes matter." YouTube: Not sleeping for days on end. Long periods of euphoria. Racing thoughts. Grandiose ideas. Mania. Depression. All of these are symptoms of Bipolar Disorder. In this episode of... continue reading

posted by PlayhousePals 9 years 7 months 2 weeks ago • 281 views • 10:00

Ever call someone OCD because they like to have a clean apartment? Ever tell someone you have a phobia of spiders when, in fact, they just creep you out a little? In this episode of Crash Course psychology,... continue reading

posted by cricket 9 years 7 months 3 weeks ago • 669 views • 11:32

YouTube: In which John Green investigates war, and what exactly it may or may not be good for. Was war a result of human beings organizing into larger and more complex agricultural social orders, or did... continue reading

posted by PlayhousePals 9 years 8 months 2 weeks ago • 281 views • 12:48

"... war is a pretty big deal in world history so we better spend some time talking about it, at least in the abstract."

posted by PlayhousePals 9 years 8 months 4 weeks ago • 256 views • 10:37

An understanding of how we develop as human beings based on early, sometimes cruel experiments involving primates.

posted by PlayhousePals 9 years 10 months 1 week ago • 214 views • 11:38

YouTube Description: So what does perception even mean? What's the difference between seeing something and making sense of it? In today's episode of Crash Course Psychology, Hank gives us some insight... continue reading

posted by PlayhousePals 1 decade 1 month 1 week ago • 205 views • 10:00

YouTube Description: In which John Green teaches you about the United States as it was in the 1990s. You'll remember from last week that the old-school Republican George H.W. Bush had lost the 1992 presidential... continue reading

posted by PlayhousePals 1 decade 3 months ago • 247 views • 15:38